Evolution of Friction and Permeability in a Propped Fracture under Shear

Table 1

Mineralogical and mechanical properties of GRS and WG.

Mineral group	Green River shale	Westerly granite
Carbonates (%)	51.8	0
Tectosilicates (%)	45.9	5
Phyllosilicates (%)	2.3	95
Reference	[21]	[34]
Mechanical property	Green River shale	Westerly granite
Young’s modulus (GPa)	3.2–3.8	76
Poisson ratio	0.345–0.365	0.27
Reference	[35]	[36]